Home / 7,236.05-9,985.61-4,092.17

Finding the Fourth Proportional to 7,236.05, 9,985.61 and 4,092.17

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Solution

The fourth proportional to 7,236.05, 9,985.61 and 4,092.17 is: 5,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.05 : 9,985.61 = 4,092.17 : x
  2. Step 2: Convert to fraction form
    7,236.05/9,985.61 = 4,092.17/x
  3. Step 3: Cross multiply
    7,236.05x = 9,985.61 × 4,092.17
  4. Step 4: Simplify right side
    7,236.05x = 40,862,773.98
  5. Step 5: Solve for x
    x = 40,862,773.98/7,236.05
  6. Step 6: Final answer
    x = 5,647.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.